Ключевые слова: analysis, background, biochemistry, biology, biotechnology, blue, chemical, chemistry, closeup, color, equipment, experiment, fluid, glass, glassware, holder, industry, lab, laboratory, light, liquid, many, medic, medical, medicine, microbiology, nobody, object, pharmacology, pharmacy, reagent, research, sample, science, scientific, solution, study, substance, test, tool, tubes, white, work,